CN203909384U - Large aperture, large image plane and day-and-night confocal type optical system - Google Patents

Large aperture, large image plane and day-and-night confocal type optical system Download PDF

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Publication number
CN203909384U
CN203909384U CN201420358480.4U CN201420358480U CN203909384U CN 203909384 U CN203909384 U CN 203909384U CN 201420358480 U CN201420358480 U CN 201420358480U CN 203909384 U CN203909384 U CN 203909384U
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China
Prior art keywords
eyeglass
lens
focal power
night
optical system
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CN201420358480.4U
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Chinese (zh)
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吴连平
江东明
陈艺敏
江虹
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Suzhou Lightins Optical Co ltd
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SUZHOU LAINENGSHI PHOTOELECTRIC TECHNOLOGY CO LTD
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Abstract

The utility model relates to a large aperture, large image plane and day-and-night confocal type optical system which comprises a lens group composed of 12 lenses and a diaphragm from the object plane to the image plane. The lens I is a biconvex lens having a positive focal power. The lens II is a meniscus lens having a negative focal power. The lens III is a biconcave lens having a positive focal power. The lens IV is a plano-convex lens having a positive focal power. The lens V is a meniscus lens having a negative focal power. The lens VI is a biconvex lens having a positive focal power. The lens VII is a meniscus lens having a negative focal power. The lens VIII is a biconvex lens having a positive focal power. The lens IX is a biconcave lens having a positive focal power. The lens X is a plano-convex lens having a positive focal power. The lens XI is a biconvex lens having a positive focal power. The lens XII is a plano-concave lens having a negative focal power. According to the utility model, advantages of large aperture, large image plane and day-and-night confocal performance can be realized.

Description

The large image planes of a kind of large aperture are confocal optical system day and night
Technical field
The utility model relates to a kind of optical lens, relates in particular to day and night confocal optics monitoring camera of the large image planes of a kind of large aperture.Coordinate Modern High-Speed playing skill art, can be widely used in the fields such as safe city construction, wisdom traffic.
Background technology
Development along with China's economic construction, the continuous lifting of the level of urbanization, people's scope of activities is more and more wider, in addition floating population's increase, for each places such as public place, residential quarter, city square, urban transportation, commerce area, Administrative Area, manufacturing districts, at secure context, have higher requirement, traditional field staff stationary point security can not be completely satisfied.For this phenomenon, government has proposed the concepts such as safe city, wisdom traffic, wisdom city, and wherein main one is exactly to realize the effective observation to covered place in omnidistance 24 hours by video monitoring.
Modern screen is monitored, and especially for public place, city, traffic etc., it requires the scope of monitoring more and more wider, comprises monitoring angle, monitoring distance etc., accomplishes as much as possible " energy greatly can be little ", " closely energy is far away ".
The monitoring of current Intelligent traffic video, especially for crossroad, the video monitoring of highway, owing to affected by energy-conservation factor etc., street lamp can not often leave.But in order to guarantee to monitor in real time the vehicle of process, watch-dog aspect is all furnished with superpower flashlamp, but strong flashlamp very easily allows driver produce maloperation in night vision situation, thereby causes unnecessary traffic accident.
Utility model content
The technical problems to be solved in the utility model is: overcome the monitoring difficult problem in night vision situation in prior art, day and night confocal optical system of the large image planes of a kind of large aperture is provided.
The utility model solves the technical scheme that its technical matters adopts: the large target surface of a kind of large aperture is confocal optical system day and night, from object plane to image planes direction, comprise the lens set and the diaphragm that by 12 eyeglasses, are formed, eyeglass one for focal power be positive biconvex lens, eyeglass two for focal power be negative meniscus shaped lens, eyeglass three for focal power be positive biconcave lens, eyeglass four for focal power be positive plano-convex lens, eyeglass five for focal power be negative meniscus lens, eyeglass six for focal power be positive biconvex lens, eyeglass seven for focal power be negative bent moon eyeglass, eyeglass eight for focal power be positive biconvex lens, eyeglass nine for focal power be positive biconcave lens, eyeglass ten for focal power be positive plano-convex lens, eyeglass 11 for focal power be positive biconvex lens, eyeglass 12 for focal power be negative plano-concave lens, described diaphragm is between eyeglass six and eyeglass seven.
As preferably, described eyeglass four is the first glue pellet with eyeglass five.
As preferably, described eyeglass eight is the second glue pellet with eyeglass nine.
As preferably, described eyeglass 11 is the 3rd glue pellet with eyeglass 12.
As preferably, described eyeglass eight is rotational symmetric double-sized non-spherical structure, and its asphericity coefficient adopts the square formula of even, and its rise is defined as: Z = c r 2 1 + 1 - ( 1 + k ) c 2 r 2 + Σ a i r 2 i
In formula: c is the curvature value size at place, summit, and r is the radial coordinate value perpendicular to optical axis, and k is conic section constant, a ir 2ifor aspheric high-order term;
As preferably, the curvature R1 of each described camera lens, R2, center thickness D, light refractive index Nd, Abbe coefficient Vd meet the following conditions respectively:
Eyeglass one: 100<R1<140 ,-140<R2<-100,4.5<D<6,1.7<Nd<1.8,30<Vd<40;
Eyeglass two: 30<R1<50,10<R2<30,2.0<D<3.0,1.5<Nd<1.6,60<Vd<70;
Eyeglass three :-30<R1<-20,40<R2<60,3.0<D<5.0,1.6<Nd<1.7,50<Vd<60;
Eyeglass four: R1=plane, 20<R2<30,3<D<5,1.6<Nd<1.7,50<Vd<60;
Eyeglass five :-30<R1<-20,20<R2<30,2<D<3,1.6<Nd<1.7,50<Vd<70;
Eyeglass six: 20<R1<30 ,-40<R2<-30,3<D<41.7<NdLEssT. LTssT.LT1.8,30<Vd<40;
Eyeglass seven: 30<R1<40,20<R2<30,2<D<31.5<NdLEssT. LTssT.LT1.7,50<Vd<70;
Eyeglass eight: 20<R1<30 ,-20<R2<-10,1<D<2,1.5<Nd<1.6,30<Vd<40;
Eyeglass nine: 10<R1<20,80<R2<100,2.5<D<3.5,1.6<Nd<1.8,40<Vd<50;
Eyeglass ten: R1=plane ,-40<R2<-30,2<D<3,1.4<Nd<1.5,30<Vd<40;
Eyeglass 11: 30<R2<40 ,-20<R2<-10,4.0<D<5.0,1.6<Nd<1.7,50<Vd<70;
Eyeglass 12: 10<R2<20, R2=plane, 5.0<D<6.0,1.7<Nd<1.8,50<Vd<70.
As preferably, described eyeglass one is 0.5mm with eyeglass two optical gaps, eyeglass two is 10.2mm with the optical gap of eyeglass three, eyeglass three is that 2.1mm eyeglass five is 1.8mm with the optical gap of eyeglass six with the optical gap of eyeglass four, eyeglass six is 4.88mm with the optical gap of eyeglass seven, eyeglass seven is 1.5mm with the optical gap of eyeglass eight, and eyeglass nine is 3.3mm with the optical gap of eyeglass ten, and eyeglass ten is 0.2mm with the optical gap of eyeglass 11.
The beneficial effects of the utility model are, of the present utility model have advantages of large aperture, large image planes, day and night confocal, fully guaranteeing the technological while of each eyeglass on eyeglass, to adopt common material, great thermotolerance, the easy feature such as processing; In addition the advantage of plastic aspherical element, can fully guarantee the cost of this optical system.
Effective focal length: f=18.5mm;
Distortion <1.5%;
Wavelength 430nm-940nm, guarantees day and night confocal;
Imaging image planes: 1 ";
Aperture size: F#=1.20;
Field angle: 44 ° (1 " diagonal angle);
Optics overall length: TTL=100.0mm;
Optics pixel: 8.0MP.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the day and night structural representations of confocal optical system preferred embodiment of the large image planes of large aperture of the present utility model;
Fig. 2 is optical transfer function schematic diagram of the present utility model;
Fig. 3 is the utility model distortion figure schematic diagram.
In figure: 1, eyeglass one, 2, eyeglass two, 3, eyeglass three, 4, eyeglass four, 5, eyeglass five, 6, eyeglass six, 7, eyeglass seven, 8, eyeglass eight, 9, eyeglass nine, 10, eyeglass ten, 11, eyeglass 11,12, eyeglass 12,13, diaphragm.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, the large image planes of a kind of large aperture of the present utility model are confocal optical system day and night, from object plane to image planes direction, comprise the lens set and the diaphragm that by 12 eyeglasses, are formed, eyeglass 1 for focal power be positive biconvex lens, eyeglass 22 for focal power be negative meniscus shaped lens, eyeglass 33 for focal power be positive biconcave lens, eyeglass 44 for focal power be positive plano-convex lens, eyeglass 55 for focal power be negative meniscus lens, eyeglass 66 for focal power be positive biconvex lens, eyeglass 77 for focal power be negative bent moon eyeglass, eyeglass 88 for focal power be positive biconvex lens, eyeglass 99 for focal power be positive biconcave lens, eyeglass 10 for focal power be positive plano-convex lens, eyeglass 11 for focal power be positive biconvex lens, eyeglass 12 for focal power be negative plano-concave lens, described diaphragm 13 is between eyeglass 66 and eyeglass 77.
As preferably, described eyeglass 44 is the first glue pellet with eyeglass 55.
As preferably, described eyeglass 88 is the second glue pellet with eyeglass 99.
As preferably, described eyeglass 11 is the 3rd glue pellet with eyeglass 12.
As preferably, described eyeglass 88 is rotational symmetric double-sized non-spherical structure, and its asphericity coefficient adopts the square formula of even, and its rise is defined as: Z = c r 2 1 + 1 - ( 1 + k ) c 2 r 2 + &Sigma; a i r 2 i
In formula: c is the curvature value size at place, summit, and r is the radial coordinate value perpendicular to optical axis, and k is conic section constant, a ir 2ifor aspheric high-order term;
As preferably, the curvature R1 of each described camera lens, R2,
Center thickness D, light refractive index Nd, Abbe coefficient Vd meet the following conditions respectively:
Eyeglass one 1:100<R1<140 ,-140<R2<-100,4.5<D<6,1.7<Nd<1.8,30<Vd<40;
Eyeglass two 2:30<R1<50,10<R2<30,2.0<D<3.0,1.5<Nd<1.6,60<Vd<70;
Eyeglass three 3:-30<R1<-20,40<R2<60,3.0<D<5.0,1.6<Nd<1.7,50<Vd<60;
Eyeglass four 4:R1=planes, 20<R2<30,3<D<5,1.6<Nd<1.7,50<Vd<60;
Eyeglass five 5:-30<R1<-20,20<R2<30,2<D<3,1.6<Nd<1.7,50<Vd<70;
Eyeglass six 6:20<R1<30 ,-40<R2<-30,3<D<41.7<NdLEssT. LTssT.LT1.8,30<Vd<40;
Eyeglass seven 7:30<R1<40,20<R2<30,2<D<31.5<NdLEssT. LTssT.LT1.7,50<Vd<70;
Eyeglass eight 8:20<R1<30 ,-20<R2<-10,1<D<2,1.5<Nd<1.6,30<Vd<40;
Eyeglass nine 9:10<R1<20,80<R2<100,2.5<D<3.5,1.6<Nd<1.8,40<Vd<50;
Eyeglass ten 10:R1=planes ,-40<R2<-30,2<D<3,1.4<Nd<1.5,30<Vd<40;
Eyeglass 11 11:30<R2<40 ,-20<R2<-10,4.0<D<5.0,1.6<Nd<1.7,50<Vd<70;
Eyeglass 12 12:10<R2<20, R2=plane, 5.0<D<6.0,1.7<Nd<1.8,50<Vd<70.
As preferably, described eyeglass 1 is 0.5mm with eyeglass 22 optical gaps, eyeglass 22 is 10.2mm with the optical gap of eyeglass 33, eyeglass 33 is that 2.1mm eyeglass 55 is 1.8mm with the optical gap of eyeglass 66 with the optical gap of eyeglass 44, eyeglass 66 is 4.88mm with the optical gap of eyeglass 77, eyeglass 77 is 1.5mm with the optical gap of eyeglass 88, and eyeglass 99 is 3.3mm with the optical gap of eyeglass 10, and eyeglass 10 is 0.2mm with the optical gap of eyeglass 11.
Fig. 2 is optical transfer function schematic diagram of the present utility model;
Fig. 3 is the utility model distortion figure schematic diagram.The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to claim scope.

Claims (7)

1. large image planes of large aperture confocal optical system day and night, it is characterized in that: from object plane to image planes direction, comprise the lens set and the diaphragm that by 12 eyeglasses, are formed, eyeglass one for focal power be positive biconvex lens, eyeglass two for focal power be negative meniscus shaped lens, eyeglass three for focal power be positive biconcave lens, eyeglass four for focal power be positive plano-convex lens, eyeglass five for focal power be negative meniscus lens, eyeglass six for focal power be positive biconvex lens, eyeglass seven for focal power be negative bent moon eyeglass, eyeglass eight for focal power be positive biconvex lens, eyeglass nine for focal power be positive biconcave lens, eyeglass ten for focal power be positive plano-convex lens, eyeglass 11 for focal power be positive biconvex lens, eyeglass 12 for focal power be negative plano-concave lens, described diaphragm is between eyeglass six and eyeglass seven.
2. the large image planes of a kind of large aperture according to claim 1 confocal optical system day and night, is characterized in that: described eyeglass four is the first glue pellet with eyeglass five.
3. the large image planes of a kind of large aperture according to claim 1 confocal optical system day and night, is characterized in that: described eyeglass eight is the second glue pellet with eyeglass nine.
4. the large image planes of a kind of large aperture according to claim 1 confocal optical system day and night, is characterized in that: described eyeglass 11 is the 3rd glue pellet with eyeglass 12.
5. the large image planes of a kind of large aperture according to claim 1 confocal optical system day and night, is characterized in that: described eyeglass eight is rotational symmetric double-sized non-spherical structure, and its asphericity coefficient adopts the square formula of even, and its rise is defined as:
In formula: c is the curvature value size at place, summit, and r is the radial coordinate value perpendicular to optical axis, and k is conic section constant, a ir 2ifor aspheric high-order term;
6. the large image planes of a kind of large aperture according to claim 1 confocal optical system day and night, is characterized in that: the curvature R1 of each described eyeglass, R2, center thickness D, light refractive index Nd, Abbe coefficient Vd meet the following conditions respectively:
Eyeglass one: 100<R1<140 ,-140<R2<-100,4.5<D<6,1.7<Nd<1.8,30<Vd<40;
Eyeglass two: 30<R1<50,10<R2<30,2.0<D<3.0,1.5<Nd<1.6,60<Vd<70;
Eyeglass three :-30<R1<-20,40<R2<60,3.0<D<5.0,1.6<Nd<1.7,50<Vd<60;
Eyeglass four: R1=plane, 20<R2<30,3<D<5,1.6<Nd<1.7,50<Vd<60;
Eyeglass five :-30<R1<-20,20<R2<30,2<D<3,1.6<Nd<1.7,50<Vd<70;
Eyeglass six: 20<R1<30 ,-40<R2<-30,3<D<41.7<NdLEssT. LTssT.LT1.8,30<Vd<40;
Eyeglass seven: 30<R1<40,20<R2<30,2<D<31.5<NdLEssT. LTssT.LT1.7,50<Vd<70;
Eyeglass eight: 20<R1<30 ,-20<R2<-10,1<D<2,1.5<Nd<1.6,30<Vd<40;
Eyeglass nine: 10<R1<20,80<R2<100,2.5<D<3.5,1.6<Nd<1.8,40<Vd<50;
Eyeglass ten: R1=plane ,-40<R2<-30,2<D<3,1.4<Nd<1.5,30<Vd<40;
Eyeglass 11: 30<R2<40 ,-20<R2<-10,4.0<D<5.0,1.6<Nd<1.7,50<Vd<70;
Eyeglass 12: 10<R2<20, R2=plane, 5.0<D<6.0,1.7<Nd<1.8,50<Vd<70.
7. the large image planes of a kind of large aperture according to claim 1 confocal optical system day and night, it is characterized in that: described eyeglass one is 0.5mm with eyeglass two optical gaps, eyeglass two is 10.2mm with the optical gap of eyeglass three, eyeglass three is that 2.1mm eyeglass five is 1.8mm with the optical gap of eyeglass six with the optical gap of eyeglass four, eyeglass six is 4.88mm with the optical gap of eyeglass seven, eyeglass seven is 1.5mm with the optical gap of eyeglass eight, eyeglass nine is 3.3mm with the optical gap of eyeglass ten, and eyeglass ten is 0.2mm with the optical gap of eyeglass 11.
CN201420358480.4U 2014-06-30 2014-06-30 Large aperture, large image plane and day-and-night confocal type optical system Expired - Lifetime CN203909384U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107272142A (en) * 2016-04-06 2017-10-20 三星电机株式会社 Optical imaging system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107272142A (en) * 2016-04-06 2017-10-20 三星电机株式会社 Optical imaging system
US10473899B2 (en) 2016-04-06 2019-11-12 Samsung Electro-Mechanics Co., Ltd. Optical imaging system

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: Suzhou City, Jiangsu province 215600 Zhangjiagang Jinfeng Technology Park B01 building 3 floor Suzhou lightlens optical Polytron Technologies Inc

Patentee after: SUZHOU LIGHTINS OPTICAL CO.,LTD.

Address before: Suzhou City, Jiangsu province 215600 Zhangjiagang Jinfeng Technology Park Building 3 floor B01 Suzhou lightlens Optical Technology Co. Ltd.

Patentee before: SUZHOU LIGHTLNS OPTICAL TECHNOLOGY CO.,LTD.

CX01 Expiry of patent term

Granted publication date: 20141029